CN1582611A - Method and apparatus for pneumatic precisive seeding vegetables and flowers - Google Patents
Method and apparatus for pneumatic precisive seeding vegetables and flowers Download PDFInfo
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- CN1582611A CN1582611A CN 200410024917 CN200410024917A CN1582611A CN 1582611 A CN1582611 A CN 1582611A CN 200410024917 CN200410024917 CN 200410024917 CN 200410024917 A CN200410024917 A CN 200410024917A CN 1582611 A CN1582611 A CN 1582611A
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- 235000013311 vegetables Nutrition 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010899 nucleation Methods 0.000 title claims description 74
- 238000009331 sowing Methods 0.000 claims abstract description 28
- 238000011081 inoculation Methods 0.000 claims description 20
- 238000012258 culturing Methods 0.000 claims description 11
- 240000005373 Panax quinquefolius Species 0.000 claims description 10
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000201976 Polycarpon Species 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000021186 dishes Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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Abstract
A method and apparatus for high-precision pneumatic sowing of the small seeds of vegetables, flowers, or plants is disclosed. An air pump is used as the pneumatic power of said apparatus. A pneumatic motor is used to swing a sowing head between sead storage tray and sowing frame for sucking a small seed from said seed tray and then releasing it in a sowing hole of said sowing frame. Its advantages are high sowing speed and precision and low miss percentage.
Description
Technical field
The present invention relates to the method and the device of vegetables, the precision drilling of flowers granule seed.The particularly method of pneumatic sowing and device.
Background technology
The point disk seedling growing technology has obtained very big development and application abroad as a new seedling-cultivating method, and external point disk seedling growing device is fit to external extensive operation, the control system complexity, and leakage sowing rate is higher, costs an arm and a leg, and is incompatible with China's national situation.Along with China's rapid economy development is particularly increasing to the demand of vegetable or flower rice shoot, the point disk seedling growing technology has also obtained certain development in recent years, but sowing seeds technology slower development, existing implanted device actual effect is not good, as adopt the vibration and the equipment of magnetic principle, and versatility is poor, and speed of drilling is low, lack of homogeneity can't be sowed the extra fine seed grain.
Summary of the invention
The method and the device that the purpose of this invention is to provide the pneumatic sowing of the smart amount of a kind of culturing vegetable or flower seedlings are to improve speed of drilling and precision.
The method of the pneumatic sowing of the smart amount of culturing vegetable or flower seedlings provided by the invention may further comprise the steps:
1) open air pump and cave dish that power is provided and carry button, conveyer belt is carried the cave dish;
2) the flexible block of cave dish on the gas circuit control product line frame stretches out, and the seed on kind of the dish is contained in vibration;
3) when walking to the cave, the cave dish coils flexible block place, dish location, cave, the flexible block withdrawal of cave dish, air motor drives seeding head and replaces forward, backward rotation, begin sowing, turn to Sheng kind of dish one side when air motor drives seeding head, produce negative pressure by Venturi tube in the seeding head, the syringe needle of seeding head adsorbs a seed; Turn to inoculation frame one side when air motor drives seeding head, in gas circuit is switched seeding head, produce malleation, the seed of seeding head syringe needle is blown to seeding in the aperture of inoculation frame;
4) conveyer belt is carried the cave dish cave distance of advancing, seeding head repeating step 3) negative pressure inhale kind, the malleation seeding, finish until the dish sowing of whole cave, wait for that next cave dish arrives;
5) sowing finishes, and gas circuit control sets kind device reclaims the surplus kind of containing on kind of the dish.
Adopt pneumatic type of seeding of the present invention, if seed of every bunch planting kind, then conveyer belt carries the cave to coil the cave distance of advancing, and the seeding head negative pressure is inhaled kind, malleation seeding once.If many seeds need be sowed in every cave, then the cave distance of advancing is coiled in conveyer belt conveying cave, and the suction of seeding head repetition negative pressure is planted, malleation seeding several, and its number of times is to sow granule number.
Use the pneumatic seeding apparatus of the smart amount of culturing vegetable or flower seedlings of said method design mainly to comprise seeding machinery part and air-channel system, seeding machinery partly comprises the parallel-plate that is vertically fixed on the product line frame of conveyer belt both sides and level kind of the frame that falls, between two blocks of parallel-plates, be horizontally installed with power transmission shaft, the inoculation frame, contain kind of a dish and a seeding head, said seeding head is the pipe that is evenly equipped with row's aperture vertically, on each aperture syringe needle is installed, the middle part of pipe is connected to hose coupling, inoculation have on the frame with pipe on syringe needle inoculate the hole one to one, falling has on kind of the frame and the corresponding feed outlet in inoculation hole, each feed outlet links to each other with the inoculation hole through the guiding flexible pipe respectively, seeding head is fixed by fixed block and power transmission shaft, one end of power transmission shaft is connected with the axle of air motor, bottom at Sheng kind of dish is fixed with vibrator, flexible block of cave dish and infrared inductor are installed on the frame, air-channel system comprises the air pump that operation power is provided, the gas outlet of air pump divides two the tunnel, wherein one the tunnel through pressure-control valve tap first, second, the the 3rd and the 6th these 4 gas circuits, article one, gas circuit is communicated with the flexible block of cave dish, this gas circuit is provided with first pressure-control valve and is used to control first solenoid directional control valve that flexible block stretches out and withdraws, the second gas circuit connects vibrator, this gas circuit is provided with second pressure-control valve, article three, gas circuit is communicated with air motor, this gas circuit is provided with the 3rd pressure-control valve and is used to change airflow direction, make air motor substitute the 3rd solenoid directional control valve that rotates and reverse, article six, gas circuit is connected with a collection kind device of collecting Sheng kind of the last surplus kind of dish, this gas circuit is provided with the 6th pressure-control valve, another road of air pump gas outlet is through solenoid directional control valve tap the 4th and the 5th these two gas circuits, article four, gas circuit links to each other with an end of the Venturi tube that produces negative pressure, the other end of Venturi tube links to each other with second end of the three-way pipe that is connected the seeding head hose coupling, this gas circuit is provided with the 4th solenoid directional control valve of the 4th pressure-control valve and control gas circuit conducting or disconnection, article five, gas circuit links to each other with the 3rd end of three-way pipe, and this gas circuit is provided with the 5th solenoid directional control valve of the 5th pressure-control valve and control gas circuit conducting or disconnection.
It is sub that the present invention adopts attached seed of negative pressure aspiration and malleation air-blowing to sow, and seeding head alternately produces negative pressure and malleation under control valve and Venturi tube cooperation, and the syringe needle of assurance seeding head alternately suction is planted and seeding, and can only adsorb a seed at every turn.Can regulate each gas circuit pressure by pressure-control valve, be easy to realize the precision drilling of fine particle.The present invention is for the variable grain seeds in size, and particularly tiny seed can both be realized precision drilling, broadcast leakage, resowing phenomenon can not take place.
Description of drawings
Fig. 1 is operation principle of the present invention and air-channel system schematic diagram thereof;
Fig. 2 is a kind of seeding machinery front view among the present invention;
Fig. 3 is the end view of Fig. 2 seeding machinery;
Fig. 4 is the cross-sectional view of seeding head.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing.
The device of the pneumatic sowing of the smart amount of culturing vegetable or flower seedlings of the present invention comprises seeding machinery part and air-channel system.Its operation principle and air-channel system thereof be referring to Fig. 1, and the seeding machinery part is with reference to Fig. 2, Fig. 3, Fig. 4, and seeding machinery partly comprises the parallel-plate 25 that is vertically fixed on the conveyer belt 30 both sides product line frames 39 and level kind of the frame 40 that falls.In the diagram instantiation, be provided with arrangement for adjusting height 21, by regulating the requirement that arrangement for adjusting height 21 can satisfy all size cave dish at every block of parallel-plate 25 and 39 of frames.Between two blocks of parallel-plates 25, be horizontally installed with power transmission shaft 24, inoculation frame 5, contain kind of a dish 4 and a seeding head 23.One end of power transmission shaft 24 is connected with the axle of air motor 6, and all there is bearing block 22 at two ends, but gyration.Seeding head 23 is fixing with power transmission shaft 24 by fixed block 29, seeding head 23 is the pipes 33 that are evenly equipped with row's aperture vertically, by nipple 32 syringe needle 31 (seeing shown in Figure 4) that is used for absorbed seed is installed on each aperture, utilize the syringe needle 31 of nipple 32 conveniently replaced different sizes, so that absorption and the different seed of sowing particle size.On the seeding head one row aperture has 12～20 usually.Be connected to hose coupling 35 at the middle part of pipe, hose coupling 35 links to each other with the three-way pipe 34 that is connected gas circuit.Inoculation have on the frame 5 with pipe on syringe needle 31 inoculate hole 36 one to one, position and angle that inoculation frame 5 is installed on the parallel-plate 25 can be regulated according to the requirement of seeding head 23.Falling has on kind of the frame 40 and inoculation hole 36 corresponding feed outlets 37, each feed outlet 37 links to each other with inoculation hole 36 through guiding flexible pipe 27, for the height and the horizontal level that make kind of frame can be adjusted according to cave dish specification, can be used to regulate the governor motion 38 of height and horizontal level at the device between kind of frame 40 and the frame 39 of falling, as the right angle block that adopts horizontal plane and vertical plane all to have elongated slot is connected to fall kind of frame 20 and frame 19, be fixed on the position of elongated slot by moving kind of frame 40 and frame 39, can realize regulating the height and the horizontal level of kind of frame 40.Containing kind of dish 4 positions that are fixed on parallel-plate 25 can regulate according to seeding head 23.Bottom at Sheng kind of dish 4 is fixed with vibrator 3, by the vibration seed, can make seed be distributed on Sheng and plant on the dish 4, guarantees that each syringe needle can be adsorbed onto seed at every turn.The flexible block 16 of cave dish that is used for the dish of the cave on the conveyer belt is positioned is installed in product line frame 39, and dish flexible block 16 in cave can be made up of cylinder piston.The infrared inductor 26 whether the dish sowing of induction cave finishes is fixed on and is positioned on kind of frame 40 product line frames 39 in front.
Air-channel system shown in Figure 1, comprise the air pump 14 that six work gas circuits are provided, the gas outlet of air pump divides two the tunnel, wherein one the tunnel through pressure-control valve 15 taps first, second, the the 3rd and the 6th these 4 gas circuits, article one, gas circuit I connects the flexible block 16 of cave dish, this gas circuit is provided with first pressure-control valve 18 and is used to control first solenoid directional control valve 17 that flexible block stretches out and withdraws, by the pressure among first pressure-control valve, the 18 adjusting gas circuit I, the piston rod that guarantees the flexible block 16 of cave dish can stretch out and withdraw, be in when upper as first solenoid directional control valve 17, the piston rod of the flexible block 16 of cave dish stretches out, then be in when the next the piston rod withdrawal of the flexible block 16 of cave dish; Second gas circuit II connects vibration through second pressure-control valve 2 and contains kind of the vibrator 3 of dish 4; Article three, gas circuit III connects air motor 6, for air motor provides power, this gas circuit is provided with the 3rd pressure-control valve 10 and the 3rd solenoid directional control valve 19, wherein the 3rd pressure-control valve 10 guarantees the pressure among the gas circuit III, the 3rd solenoid directional control valve 19 constantly changes airflow direction, air motor is substituted rotate and reverse; Article six, the collection kind device 20 of gas circuit VI surplus kind on the 6th pressure-control valve 1 and collection Sheng kind of dish 4 is connected; Another road of air pump 14 gas outlets is through solenoid directional control valve 13 taps the 4th and the 5th these two gas circuits, utilize the 4th or the 5th gas circuit conducting of solenoid directional control valve 13 controls, article four, gas circuit IV links to each other with an end of the Venturi tube 9 that produces negative pressure, the other end of Venturi tube 9 links to each other with second end of the three-way pipe 34 that is connected seeding head 23 hose couplings 35, this gas circuit is provided with the 4th solenoid directional control valve 8 of the 4th pressure-control valve 7 and control gas circuit conducting or disconnection, by regulating the stream pressure among the 4th pressure-control valve 7 control gas circuit IV, guarantee seed of syringe needle absorption of seeding head; Article five, gas circuit V links to each other with the 3rd end of three-way pipe 34, this gas circuit is provided with the 5th solenoid directional control valve 11 of the 5th pressure-control valve 12 and control gas circuit conducting or disconnection, by regulating the stream pressure among the 5th pressure-control valve 12 control gas circuit V, it is thorough to guarantee to get rid of seed.
The pneumatic type of seeding of the smart amount of culturing vegetable or flower seedlings of the present invention, whole process is as follows: after opening air pump 14, open the pressure-control valve 15 and first pressure-control valve 18, first solenoid directional control valve 17 is in upper conducting, air-flow stretches out the piston rod of the flexible block 16 of cave dish through the upper plunger shaft that enters flexible block 16 cylinders of cave dish of pressure-control valve 15, first pressure-control valve 18 and first solenoid directional control valve 17.Conveyer belt 30 begins to carry cave dish 28, simultaneously, the second gas circuit II conducting of second pressure-control valve, 2 controls, air-flow imports vibrator 3 through the pressure-control valve 15 and second pressure-control valve 2, and the seed on kind of the dish 4 is contained in vibrator 3 vibrations; When dish 28 arrival cave dishes in cave stretch block 16, the cave dish is positioned, 17 commutations of first solenoid directional control valve, the next conducting, air-flow enters rod end chamber, flexible block 16 withdrawals of cave dish, simultaneously, the 3rd pressure-control valve 10 is opened, and gas circuit III provides power by the 3rd pressure-control valve 10 control air motors 6 for seeding head rotates.When driving seeding head 23, air motor goes to Sheng kind of dish 4 one sides, at this moment solenoid directional control valve 13 commutations are to the 4th gas circuit IV, the 4th solenoid directional control valve 8 conductings simultaneously, the 4th pressure-control valve 7 and the 4th solenoid directional control valve 8 control Venturi tubes 9 make and produce negative pressure in the seeding head 23, and a tiny seed is adsorbed onto on seeding head 23 syringe needles 31; When driving seeding head 23, air motor goes to inoculation frame 5 one sides, solenoid directional control valve 13 commutations are to the 5th gas circuit V, the 5th pressure-control valve 12 and the 5th gas circuit V conducting of the 5th solenoid directional control valve 11 controls produce malleation, tiny seed is blown in the aperture of inoculating on the frame 5, and seed falls into the cave dish by the guiding flexible pipe 27 and kind of the frame 40 that falls; Conveyer belt 30 carries cave dish 28 to advance a cave apart from pause.Air motor goes to contains kind of dish 4 one sides, and absorbed seed goes to inoculation frame 5 one sides, seeding, and the process above repeating has eight rows as the cave dish, then repeats top process seven times, and the cave is coiled every cave and can accurately be sowed a seed like this.Cave dish sowing of hot outer induction finishes, and sends signal, and 17 commutations of first solenoid directional control valve are to upper, and control cave flexible block 16 piston rods of dish stretch out, and locate next cave dish.
If every cave need be sowed many, then cave dish pauses, and treats that air motor goes to contain kind of dish 4 one sides, and absorbed seed goes to inoculation frame 5 one sides, seeding, repeat sowing repeatedly after intermittent delivery again.When whole sowings finish, open 1, the six gas circuit VI conducting of the 6th pressure-control valve, collection kind of device absorbs the surplus kind of containing on kind of the dish 4.
Claims (8)
1. a vegetable or flower seed seedling-raising essence is measured the method for pneumatic sowing, may further comprise the steps:
1) open air pump and cave dish that power is provided and carry button, conveyer belt is carried the cave dish;
2) the flexible block of cave dish on the gas circuit control product line frame stretches out, and the seed on kind of the dish is contained in vibration;
3) when walking to the cave, the cave dish coils flexible block place, dish location, cave, the flexible block withdrawal of cave dish, air motor drives seeding head and replaces forward, backward rotation, begin sowing, turn to Sheng kind of dish one side when air motor drives seeding head, produce negative pressure by Venturi tube in the seeding head, the syringe needle of seeding head adsorbs a seed; Turn to inoculation frame one side when air motor drives seeding head, in gas circuit is switched seeding head, produce malleation, the seed of seeding head syringe needle is blown to seeding in the aperture of inoculation frame;
4) conveyer belt is carried the cave dish cave distance of advancing, seeding head repeating step 3) negative pressure inhale kind, the malleation seeding, finish until the dish sowing of whole cave, wait for that next cave dish arrives;
5) sowing finishes, and gas circuit control sets kind device reclaims the surplus kind of containing on kind of the dish.
2. according to the method for the pneumatic sowing of the smart amount of the vegetable or flower seed seedling-raising described in the claim 1, it is characterized in that conveyer belt carries the cave dish cave distance of advancing, the seeding head negative pressure is inhaled kind, the malleation seeding once.
3. according to the method for the pneumatic sowing of the smart amount of the vegetable or flower seed seedling-raising described in the claim 1, it is characterized in that conveyer belt carries the cave dish cave distance of advancing, seeding head repeats that negative pressure is inhaled kind, the malleation seeding for several times, its number of times is the sowing granule number.
4. according to the pneumatic seeding apparatus of the smart amount of the culturing vegetable or flower seedlings of the described method of claim 1, it is characterized in that comprising seeding machinery part and air-channel system, seeding machinery partly comprises the parallel-plate (25) that is vertically fixed on conveyer belt (30) the both sides product line frames (39) and level kind of the frame (40) that falls, between two blocks of parallel-plates (25), be horizontally installed with power transmission shaft (24), inoculation frame (5), contain kind of dish (4) and a seeding head (23), said seeding head (23) is the pipe (33) that is evenly equipped with row's aperture vertically, syringe needle (31) is installed on each aperture, the middle part of pipe is connected to hose coupling (35), have in inoculation frame (5) with pipe on syringe needle (31) inoculate hole (36) one to one, falling has on kind of the frame (40) and the inoculation corresponding feed outlet in hole (36) (37), each feed outlet (37) links to each other with inoculation hole (36) through guiding flexible pipe (27) respectively, seeding head (23) is fixing by fixed block (29) and power transmission shaft (24), one end of power transmission shaft (24) is connected with the axle of air motor (6), bottom at Sheng kind of dish (4) is fixed with vibrator (3), flexible block (16) of cave dish and infrared inductor (26) are installed on the frame (39), air-channel system comprises the air pump (14) that operation power is provided, the gas outlet of air pump divides two the tunnel, wherein one the tunnel through pressure-control valve (15) tap first, second, the the 3rd and the 6th these 4 gas circuits, article one, gas circuit (I) is communicated with the flexible block (16) of cave dish, this gas circuit is provided with first pressure-control valve (18) and is used to control first solenoid directional control valve (17) that flexible block stretches out and withdraws, second gas circuit (II) connects vibrator (3), this gas circuit is provided with second pressure-control valve (2), article three, gas circuit (III) is communicated with air motor (6), this gas circuit is provided with the 3rd pressure-control valve (10) and is used to change airflow direction, make air motor substitute the 3rd solenoid directional control valve (19) that rotates and reverse, article six, gas circuit (VI) is connected with a collection kind device (20) of collecting Sheng kind of dish (4) last surplus kind, this gas circuit is provided with the 6th pressure-control valve (1), another road of air pump (14) gas outlet is through solenoid directional control valve (13) tap the 4th and the 5th these two gas circuits, article four, gas circuit (IV) links to each other with an end of the Venturi tube (9) that produces negative pressure, the other end of Venturi tube (9) links to each other with second end of the three-way pipe (34) that is connected seeding head (23) hose coupling (35), this gas circuit is provided with the 4th solenoid directional control valve (8) of the 4th pressure-control valve (7) and control gas circuit conducting or disconnection, article five, gas circuit (V) links to each other with the 3rd end of three-way pipe (34), and this gas circuit is provided with the 5th solenoid directional control valve (11) of the 5th pressure-control valve (12) and control gas circuit conducting or disconnection.
5. the pneumatic seeding apparatus of the smart amount of culturing vegetable or flower seedlings according to claim 4 is characterized in that the syringe needle (31) on the seeding head (23) has 12～20.
6. the pneumatic seeding apparatus of the smart amount of culturing vegetable or flower seedlings according to claim 4 is characterized in that being provided with arrangement for adjusting height (21) between every block of parallel-plate (25) and frame (39).
7. the pneumatic seeding apparatus of the smart amount of culturing vegetable or flower seedlings according to claim 4 is characterized in that being useful on adjusting highly and the governor motion (38) of horizontal level at the device that falls between kind of a frame (40) and the frame (39).
8. the pneumatic seeding apparatus of the smart amount of culturing vegetable or flower seedlings according to claim 4 is characterized in that dish flexible block (16) in cave is made up of cylinder piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410024917 CN1285250C (en) | 2004-06-01 | 2004-06-01 | Method and apparatus for pneumatic precisive seeding vegetables and flowers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410024917 CN1285250C (en) | 2004-06-01 | 2004-06-01 | Method and apparatus for pneumatic precisive seeding vegetables and flowers |
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| Publication Number | Publication Date |
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| CN1582611A true CN1582611A (en) | 2005-02-23 |
| CN1285250C CN1285250C (en) | 2006-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410024917 Expired - Fee Related CN1285250C (en) | 2004-06-01 | 2004-06-01 | Method and apparatus for pneumatic precisive seeding vegetables and flowers |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561562A (en) * | 2011-04-11 | 2014-02-05 | 库恩股份有限公司 | Remote feeding device for single-grain seed drill and single-grain seed drill using same |
| CN106385885A (en) * | 2016-09-13 | 2017-02-15 | 雷沃重工股份有限公司 | Negative pressure system for air-suction metering device |
| CN108925289A (en) * | 2018-08-03 | 2018-12-04 | 山东安信种苗股份有限公司 | A kind of grafting scion seeder |
| CN109688792A (en) * | 2016-07-14 | 2019-04-26 | 精密种植有限责任公司 | For utilizing seed positioner seed orients in farmland system, equipment and method |
| CN110933977A (en) * | 2019-11-21 | 2020-03-31 | 云南农业大学 | Vegetable plug seedling sowing device and miss-seeding detection method |
| CN113141824A (en) * | 2021-04-29 | 2021-07-23 | 云南农业大学 | Air-aspiration type vegetable seed seeder based on venturi effect |
| CN117502038A (en) * | 2024-01-04 | 2024-02-06 | 甘肃省农业科学院经济作物与啤酒原料研究所（甘肃省农业科学院中药材研究所） | Seeding device for seedling cultivation of small-sized Chinese medicinal material seeds and application thereof |
-
2004
- 2004-06-01 CN CN 200410024917 patent/CN1285250C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561562A (en) * | 2011-04-11 | 2014-02-05 | 库恩股份有限公司 | Remote feeding device for single-grain seed drill and single-grain seed drill using same |
| CN109688792A (en) * | 2016-07-14 | 2019-04-26 | 精密种植有限责任公司 | For utilizing seed positioner seed orients in farmland system, equipment and method |
| CN109688792B (en) * | 2016-07-14 | 2023-02-14 | 精密种植有限责任公司 | System, tool and method for seed orientation in an agricultural field using a seed locator |
| CN106385885A (en) * | 2016-09-13 | 2017-02-15 | 雷沃重工股份有限公司 | Negative pressure system for air-suction metering device |
| CN108925289A (en) * | 2018-08-03 | 2018-12-04 | 山东安信种苗股份有限公司 | A kind of grafting scion seeder |
| CN110933977A (en) * | 2019-11-21 | 2020-03-31 | 云南农业大学 | Vegetable plug seedling sowing device and miss-seeding detection method |
| CN110933977B (en) * | 2019-11-21 | 2022-06-07 | 云南农业大学 | Vegetable plug seedling sowing device and miss-seeding detection method |
| CN113141824A (en) * | 2021-04-29 | 2021-07-23 | 云南农业大学 | Air-aspiration type vegetable seed seeder based on venturi effect |
| CN117502038A (en) * | 2024-01-04 | 2024-02-06 | 甘肃省农业科学院经济作物与啤酒原料研究所（甘肃省农业科学院中药材研究所） | Seeding device for seedling cultivation of small-sized Chinese medicinal material seeds and application thereof |
| CN117502038B (en) * | 2024-01-04 | 2024-03-08 | 甘肃省农业科学院经济作物与啤酒原料研究所（甘肃省农业科学院中药材研究所） | Seeding device for seedling cultivation of small-sized Chinese medicinal material seeds and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1285250C (en) | 2006-11-22 |
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